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It is in patients' best interest to use probiotics in the prevention and treatment of conditions when the evidence is convincing. To protect high-risk patients, probiotic products should meet stringent microbiological standards. Product testing results should be available for review before recommending probiotic products to at-risk individuals. For products used in at-risk populations, manufacturers should provide this information or participate in a third-party verification program that certifies compliance.
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Sanders et al. (2016) studied this question.
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